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Finding the Fourth Proportional to 3,507.91, 5,260.53 and 1,167.47

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Solution

The fourth proportional to 3,507.91, 5,260.53 and 1,167.47 is: 1,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.91 : 5,260.53 = 1,167.47 : x
  2. Step 2: Convert to fraction form
    3,507.91/5,260.53 = 1,167.47/x
  3. Step 3: Cross multiply
    3,507.91x = 5,260.53 × 1,167.47
  4. Step 4: Simplify right side
    3,507.91x = 6,141,510.96
  5. Step 5: Solve for x
    x = 6,141,510.96/3,507.91
  6. Step 6: Final answer
    x = 1,750.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.